code: def test_can_construct_from_params(self):
      assert (
          self.positional_encoding.min_timescale
          == self.params_dict["min_timescale"]
      )
      assert (
          self.positional_encoding.max_timescale
          == self.params_dict["max_timescale"]
      )
  
file_path: allennlp/tests/modules/transformer/positional_encoding_test.py
imports: import copy
  import torch
  import numpy
  from allennlp.common import Params
  from allennlp.modules.transformer import SinusoidalPositionalEncoding
  from allennlp.common.testing import AllenNlpTestCase
label_desc: Use image node_id 2 for calling the TestSinusoidalPositionalEncoding obj's underlying member method code with example usage: obj.test_can_construct_from_params() without return types